in order to study the genetic diversity of grapevine in mahneshan (zanjan) an experiment was performed during 2012 and 2013. in different phenological growth stages (bud burst, anthesis and fruit ripening) quantitative and qualitative characteristics of 12 genotypes (marageh, shahani, khalili, ag-ozom, germez keshmish, ag-keshmish, gara-keshmish, asghari, pert-pert, gezel-ozom and gandomeh) bas...